Please Help: Surrender of RC

R/Sir,
i want to surrender my RC. i login into www.aces.com and select the RC surrender Option they ask for for Rule 9 read with NOTIFICATION NUMBER_______DATED_____.
Partnership is dissolved. from the Initinl no exciasable product is produse. futher from last 1 and half year we submitted the NIL RETURN.
basically i wnat to know the what is the notification number --- dated--- to surrender my RC